| Relationships | Role | Relationship Start | Relationship End |
| Citizens Bank Of Massachusetts | Parent | 9/29/1992 | 9/30/1999 |
| Quincy Savings Bank | Parent | 1/1/1992 | 9/28/1992 |
| Lincoln Trust Company | Parent | 12/31/1983 | 12/31/1991 |
| Massachusetts Bankshares, Inc. | Parent | 12/31/1976 | 12/30/1983 |
| Massachusetts Bankshares, Inc. | Parent | 12/31/1975 | 12/30/1976 |
| Massachusetts Bankshares, Inc. | Parent | 6/1/1973 | 12/30/1975 |
| Citizens Business Trust | Subsidary | 9/1/1999 | 9/30/1999 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Citizens Investment Corp | Buyer | Discontinued | 10/1/1999 | ||
| Cbm Investment Corp | Seller | Discontinued | 7/28/1999 |